信息编码 - 校验位

X=?HKID: A123456(x)Sum= 58x9 + 10x8+ 1×7 + 2×6 + 3×5+4x4+5x3 + 6×2+ ?×1=Sum / 11 = 61 ... 876543210餘数x = 11-8 = 3X=456789A0Check Digit6

Check Digit 6 Sum = 589 + 108 + 17 + 26 + 35 + 44 + 53 + 62 + 71 Sum = 589 + 108 + 17 + 26 + 35 + 44 + 53 + 62 + ?1 = 686 Sum / 11 = 61 . 8 11−8 = 3 餘數 7 6 5 4 3 2 1 0 x = 4 5 6 7 8 9 A 0 HKID: A123456(x) x=? x =

證679+3679+8))XCheck Digit7

Check Digit 7 ) ) 679+3 ✓  驗證 679+8